S
M
T
W
T
F
S
26
85°
69°
27
88°
71°
28
84°
67°
29
67°
59°
30
63°
56°
1
66°
53°
2
76°
47°
3
82°
50°
4
83°
70°
5
91°
60°
6
73°
53°
7
65°
52°
8
83°
63°
9
85°
66°
10
87°
61°
11
76°
57°
12
84°
65°
13
89°
68°
14
87°
63°
15
87°
65°
16
88°
65°
17
82°
62°
18
77°
65°
19
78°
66°
20
81°
65°
21
83°
59°
22
77°
58°
23
77°
59°
24
79°
62°
25
79°
60°
26
77°
59°
27
78°
60°
28
79°
61°
29
78°
65°
30
77°
66°
31
80°
64°
1
81°
63°
2
82°
64°
3
83°
69°
4
84°
69°
5
81°
67°
6
79°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Prosper
Prosper's May 2026 forecast shows daily high temperatures ranging from 65° to 91°, with overnight lows between 52° and 70°. The average high for May is 81° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Prosper. See also: June | July | August.
